diff --git a/external/kafka-0-10-sql/src/test/scala/org/apache/spark/sql/kafka010/KafkaSourceSuite.scala b/external/kafka-0-10-sql/src/test/scala/org/apache/spark/sql/kafka010/KafkaSourceSuite.scala index ed4cc75920e8e066f5f1763aa14241cbfebb1368..89e713f92df464630a136256f7f13b35b6a4c3b4 100644 --- a/external/kafka-0-10-sql/src/test/scala/org/apache/spark/sql/kafka010/KafkaSourceSuite.scala +++ b/external/kafka-0-10-sql/src/test/scala/org/apache/spark/sql/kafka010/KafkaSourceSuite.scala @@ -306,6 +306,30 @@ class KafkaSourceSuite extends KafkaSourceTest { ) } + test("starting offset is latest by default") { + val topic = newTopic() + testUtils.createTopic(topic, partitions = 5) + testUtils.sendMessages(topic, Array("0")) + require(testUtils.getLatestOffsets(Set(topic)).size === 5) + + val reader = spark + .readStream + .format("kafka") + .option("kafka.bootstrap.servers", testUtils.brokerAddress) + .option("subscribe", topic) + + val kafka = reader.load() + .selectExpr("CAST(value AS STRING)") + .as[String] + val mapped = kafka.map(_.toInt) + + testStream(mapped)( + makeSureGetOffsetCalled, + AddKafkaData(Set(topic), 1, 2, 3), + CheckAnswer(1, 2, 3) // should not have 0 + ) + } + test("bad source options") { def testBadOptions(options: (String, String)*)(expectedMsgs: String*): Unit = { val ex = intercept[IllegalArgumentException] {